How Marine Le Pen's National Rally became France's most popular party

France's National Rally (RN), led by Marine Le Pen, has transformed from a political scapegoat into the country's most popular political force. Despite maintaining its anti-immigration and far-right rhetoric, the party successfully moderated its public image under Le Pen's leadership. FRANCE 24's Solange Mougin examines how this so-called "dediabolisation" was achieved.